login

A102885 as a simple table

na(n)
01
12
21
32
43
53
64
74
85
96
107
115
128
136
149
1510
1611
177
1812
198
2013
2114
2215
239
2416
2517
2618
2719
2820
2910
3021
3111
3222
3323
3424
3525
3626
3712
3827
3928
4029
4113
4230
4314
4431
4532
4633
4715
4834
4935
5036
5137
5238
5316
5439
5540
5641
5742
5843
5917
6044
6118
6245
6346
6447
6548
6649
6719
6850
6951
7052
7120
7253
7321
7454

[1,2,1,2,3,3,4,4,5,6,7,5,8,6,9,10,11,7,12,8,13,14,
 15,9,16,17,18,19,20,10,21,11,22,23,24,25,26,12,27,
 28,29,13,30,14,31,32,33,15,34,35,36,37,38,16,39,
 40,41,42,43,17,44,18,45,46,47,48,49,19,50,51,52,
 20,53,21,54]